Finding the Fourth Proportional to 5,271.50, 7,908.60 and 3,808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,271.50 : 7,908.60 = 3,808.10 : x
2. Step 2: Convert to fraction form
   5,271.50/7,908.60 = 3,808.10/x
3. Step 3: Cross multiply
   5,271.50x = 7,908.60 × 3,808.10
4. Step 4: Simplify right side
   5,271.50x = 30,116,739.66
5. Step 5: Solve for x
   x = 30,116,739.66/5,271.50
6. Step 6: Final answer
   x = 5,713.13